Enabling read/write access to your data

To enable SHRLEVEL CHANGE

1. Make sure that a currently supported version of  (also known as ) (as described in Operational considerationsSystem-requirements) is installed and available to CHECK PLUS.
2. (also known as ) require a started task.
3. Create and activate the  (also known as ) configuration that contains the appropriate cache attributes.
4. Create and activate the  (also known as ) configuration that contains the appropriate cache attributes.
   For proper CHECK PLUS performance, make sure that  (also known as ) contain sufficient cache for the number of concurrent snapshots and the level of Db2 update activity at your site. For specific cache configuration information, see the  documentation.
5. Specify the SHRLEVEL CHANGE option on your CHECK command statement.
6.  Specify the appropriate  (also known as ) subsystem ID with either the XBMID installation option (see XBMID=) or the XBMID command option.

 (also known as )

To enable read and write access to your data during check processing, CHECK PLUS uses the snapshot-processing features of  (also known as ) to make a consistent image of the data. CHECK PLUS checks this image while your data remains available.

(also known as ) are licensed, installed, and maintained separately from CHECK PLUS. You can use either  (also known as ), depending on the license that you have obtained:

• A license for the full version of the  (also known as ) product authorizes you to use both the I/O caching and snapshot-processing features of  (also known as ).
• A license for  (also known as ) authorizes you to use only the snapshot-processing features of  (also known as ).

For detailed information about  (also known as ), see the  documentation.